E definition

E

Topics E Definition

WordNet

noun

(1) The 5th letter of the Roman alphabet

(2) The base of the natural system of logarithms; approximately equal to 2.718282...

(3) The cardinal compass point that is at 90 degrees

(4) A radioactive transuranic element produced by bombarding plutonium with neutrons

(5) A fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body

WiktionaryText

Etymology

From from .

Letter

The fifth letter of the basic modern Latin alphabet.

See also

See Appendix:Variations of "e"

Symbol

Representing × 10^x in floating-point notation.

2E5 = 2 × 10⁵
Hexadecimal symbol for 14.
Energy.
IUPAC 1-letter abbreviation for glutamic acid
expectation function

Etymology 1

From and upper case letter and split of , , , and , from five 7th century replacements of Anglo-Saxon Futhorcs by Latin letters:

letter , from replacement by Latin letter of the Anglo-Saxon Futhorc letter .
letter from replacement by Latin ligature of the Anglo-Saxon Futhorc letter .
digraph , from replacement by Latin digraph of the Anglo-Saxon Futhorc letter .
digraph from replacement by Latin digraph of Anglo-Saxon Futhorc .
letter from replacement by Latin ligature of the Anglo-Saxon Futhorc letter .

Letter

The fifth letter of the English alphabet.

Etymology 2

Abbreviation of Abbreviation of Abbreviation of From the position of the letter in the English alphabet

Noun

The illicit drug ecstasy (MDMA).
The grade below D in some grading systems. In most such systems, it is a failing grade.
- 1999, Julian Stallabrass, High Art Lite: British Art in the 1990s, Verso, ISBN 1859843182, page 25,
  
  In line with this, he is marketed not only as a mental innocent, but as a class primitive, someone who only got an E in A-level art […]
- a2003, Rick, quoted in Linda MacDowell, Redundant Masculinities?: Employment Change and White Working Class Youth, Blackwell Publishing (2003), ISBN 1405105860, page 198,
  
  My results weren’t that great, to be honest. I weren’t right happy with them; I got an E in Maths and that were a surprise, but I did get a B in Technology – that were all right.
- 2005, S. J. Smith, Joe Public, Virtualbookworm Publishing, ISBN 1589397681, page 125,
  
  Not really, but perhaps I’d have got an ‘E’ in Tech Drawing no matter how much I’d asserted myself. Maybe Mr. Pinkerton would have seen to it that my exam paper was tampered with. A spot of teacher to student revenge.
- 2005, Craig Taylor, Light, Reverb, ISBN 1905315007, page 103,
  
  But she didn’t get the bit about my accidental artistic career, “But you can’t draw love. You got an E in your exam. I remember that. You drew that onion that looked like a boil.”

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